Lulu AmaniOlten · Suisse
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Loose gemstone

Corundum - Sapphire

Every stone is one of a kind. We quote on request - with full detail on origin and treatment.

Details

Carat
0.34 ct
Dimensions
4.0 x 4.0 x 2.6 mm
Cut
Round Mixed cut
Shape
Round
Cutting style
Mixed cut
Colour
Lilac
Clarity
Moderately included
Treatment
Untreated
Origin
Tanzania - Winza
Stone number
7927.002
All gemstones
· Mineralogy ·

violet Sapphire

The violet sapphire displays shades ranging from soft lilac to deep royal purple. It appears mysterious, sensual, and modern.

9
Mohs hardness
trigonal
Crystal system
1.762 - 1.770
Refractive index
Untreated
Natural stone

Properties

Mineral group
Corundum
Chemical formula
Al₂O₃
Colorant
chromium, iron, and vanadium
Crystal system
trigonal
Hardness (Mohs)
9
Density
approx. 4.0 g/cm³
Refractive index
1.762 - 1.770
Optical character
anisotropic, uniaxial negative
Birefringence
0.008 - 0.010
Dispersion
0.018
Pleochroism
distinctly dichroic: violet / reddish violet
Fluorescence
weak to moderate red
Luster
vitreous

Why this stone

Rare, colorful, and mysterious - a gemstone for those who seek exclusivity with spiritual depth.

Tradition

The violet sapphire symbolizes transformation, creativity, and spiritual wisdom. It is said to inspire and support emotional healing.